*{
	margin: 0;
	padding: 0;
	
}
.header{
	width:100%;
	height: 40px;
	background-color: black;
	}
	/* 复合选择器 */
.header .center{
	width: 1200px;
	height: 100%;
	background-color: antiquewhite;
}
.header .center .leftbox{
	width: 150px;
	height: 100%;
	background-color: aqua;
	float:left;
	
}
.header .center .rightbox{
	width: 150px;
	height: 100%;
	background-color: aquamarine;
	float: right;
}
.menubox{
	width: 150px;
	height: 40px;
	background-color: azure;
	margin: auto;
}
.menubox .logobox{
	width: 80px;
	height: 100%;
	background-color: blueviolet;
	float: left;
	
	
}
.menubox .ljbox{
	width: 600px;
	height: 100%;
	background-color: blue;
	margin: auto;
}
.menubox .inputbox{
	width: ;
	height: 100%;
	background-color: chocolate;
	float: right;
	margin-top: -60px;
}
.adbox{
	width: 1200px;
	height: 480px;
	background-color: brown;
	margin: auto;
}
.adbox .libox{
	width:20% ;
	height: 100%;
	background-color: burlywood;
	float: left;
}
.adbox .lbbox{
	width: 80%;
	height: 100%;
	background-color: blueviolet;
	float: right;
}
.bigbox{
	width: 1200px;
	height: 200px;
	background-color: aquamarine;
	margin: 15px auto;
}
.bigbox .box{
	width: 275px;
	height: 100%;
	background-color: aqua;
	margin-right: 33px;
}
.bigbox .rbox{
	margin-right: 0;
}
.ad{
	display: block;
	width: 1200px;
	height: 70px;
	background-color: beige;
	margin: auto;
}
.sjbox{
	width: 1200px;
	height: 650px;
	background-color: blue;
	margin: 15px auto;
	
}
.sjbox .firstbox{
	width: 100%;
	height: 50px;
	background-color: aqua;
}
.sjbox .secbox{
	width: 100%;
	height: 600px;
	background-color: aquamarine;
}
.secbox .tubox{
	width: 20%;
	height: 100%;
	background-color: rebeccapurple;
	float: left;
}
.secbox .showbox{
	width: 80%;
	height: 100%;
	background-color: aquamarine;
	float: right;
}
.secbox .showbox .topbox{
	width: 100%;
	height: 48%;
	background-color: bisque;
	margin-bottom: 22px;
	display: flex;
}
.secbox .showbox .bottbox{
	width: 100%;
	height: 48%;
	background-color: chartreuse;
	margin-bottom: 11px;
	display: flex;
}
.secbox .showbox .topbox .box1{
	width: 220px;
	height: 270px;
	background-color: darkblue;
	margin-left: 10px;
}
.secbox .showbox .topbox .box2{
	width: 220px;
	height: 270px;
	background-color: darkblue;
	margin-left: 10px;
}
.secbox .showbox .topbox .box3{
	width: 220px;
	height: 270px;
	background-color: darkblue;
	margin-left: 10px;
}
.secbox .showbox .topbox .box4{
	width: 220px;
	height: 270px;
	background-color: darkblue;
	margin-left: 10px;
}
.secbox .showbox .bottbox .box5{
	width: 220px;
	height: 270px;
	background-color: darkcyan;
	margin-left: 10px;
	
}
.secbox .showbox .bottbox .box6{
	width: 220px;
	height: 270px;
	background-color: darkcyan;
	margin-left: 10px;
}
.secbox .showbox .bottbox .box7{
	width: 220px;
	height: 270px;
	background-color: darkcyan;
	margin-left: 10px;
}
.secbox .showbox .bottbox .box8{
	width: 220px;
	height: 270px;
	background-color: darkcyan;
	margin-left: 10px;
}

